mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-26 19:01:44 +02:00
125 lines
2.6 KiB
C
125 lines
2.6 KiB
C
/*
|
|
* JNI public API functions
|
|
*
|
|
* Copyright (c) 2015-2016 Matthieu Bouron <matthieu.bouron stupeflix.com>
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include "libavutil/error.h"
|
|
#include "jni.h"
|
|
|
|
#if CONFIG_JNI
|
|
#include <jni.h>
|
|
#include <pthread.h>
|
|
|
|
#include "libavutil/log.h"
|
|
#include "ffjni.h"
|
|
|
|
static void *java_vm;
|
|
static void *android_app_ctx;
|
|
static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
|
|
|
|
int av_jni_set_java_vm(void *vm, void *log_ctx)
|
|
{
|
|
int ret = 0;
|
|
|
|
pthread_mutex_lock(&lock);
|
|
if (java_vm == NULL) {
|
|
java_vm = vm;
|
|
} else if (java_vm != vm) {
|
|
ret = AVERROR(EINVAL);
|
|
av_log(log_ctx, AV_LOG_ERROR, "A Java virtual machine has already been set");
|
|
}
|
|
pthread_mutex_unlock(&lock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
void *av_jni_get_java_vm(void *log_ctx)
|
|
{
|
|
void *vm;
|
|
|
|
pthread_mutex_lock(&lock);
|
|
vm = java_vm;
|
|
pthread_mutex_unlock(&lock);
|
|
|
|
return vm;
|
|
}
|
|
|
|
#else
|
|
|
|
int av_jni_set_java_vm(void *vm, void *log_ctx)
|
|
{
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
|
|
void *av_jni_get_java_vm(void *log_ctx)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
#endif
|
|
|
|
#if defined(__ANDROID__)
|
|
|
|
int av_jni_set_android_app_ctx(void *app_ctx, void *log_ctx)
|
|
{
|
|
#if CONFIG_JNI
|
|
jobjectRefType type;
|
|
|
|
JNIEnv *env = ff_jni_get_env(log_ctx);
|
|
if (!env)
|
|
return AVERROR(EINVAL);
|
|
|
|
type = (*env)->GetObjectRefType(env, app_ctx);
|
|
if (type != JNIGlobalRefType) {
|
|
av_log(log_ctx, AV_LOG_ERROR, "Application context must be passed as a global reference");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
pthread_mutex_lock(&lock);
|
|
android_app_ctx = app_ctx;
|
|
pthread_mutex_unlock(&lock);
|
|
|
|
return 0;
|
|
#else
|
|
return AVERROR(ENOSYS);
|
|
#endif
|
|
}
|
|
|
|
void *av_jni_get_android_app_ctx(void)
|
|
{
|
|
#if CONFIG_JNI
|
|
void *ctx;
|
|
|
|
pthread_mutex_lock(&lock);
|
|
ctx = android_app_ctx;
|
|
pthread_mutex_unlock(&lock);
|
|
|
|
return ctx;
|
|
#else
|
|
return NULL;
|
|
#endif
|
|
}
|
|
|
|
#endif
|